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Magneto-optic fiber Sagnac modulator based on magnetic fluids |
Optics Letters, Vol. 36, Issue 8, pp. 1425-1427 (2011)
http://dx.doi.org/10.1364/OL.36.001425
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Abstract
A magneto-optic modulator with a magnetic fluid film inserted into an optical fiber Sagnac interferometer is proposed. The magnetic fluid exhibits variable birefringence and Faraday effect under external magnetic field that will lead to a phase difference and polarization state rotation in the Sagnac interferometer. As a result, the intensity of the output light is modulated under the external magnetic field. Moreover, the modulator has a high extinction ratio and can easily be integrated in a single-mode fiber system. The performance of the modulator is not affected by ambient temperature variation from room temperature to
© 2011 Optical Society of America
OCIS Codes
(060.2340) Fiber optics and optical communications : Fiber optics components
(060.2630) Fiber optics and optical communications : Frequency modulation
(230.3810) Optical devices : Magneto-optic systems
(230.4110) Optical devices : Modulators
ToC Category:
Optical Devices
History
Original Manuscript: January 21, 2011
Revised Manuscript: March 13, 2011
Manuscript Accepted: March 14, 2011
Published: April 13, 2011
Citation
Peng Zu, Chi Chiu Chan, Lew Wen Siang, Yongxing Jin, Yifan Zhang, Liew Hwi Fen, Lihan Chen, and Xinyong Dong, "Magneto-optic fiber Sagnac modulator based on magnetic fluids," Opt. Lett. 36, 1425-1427 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-8-1425
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